A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

Response of trace gases to the disrupted 2015–2016 quasi-biennial oscillation. By O.V. Tweedy et al. in Atmospheric Chemistry and Physics.

Future changes in the ozone quasi-biennial oscillation with increasing GHGs and ozone recovery in CCMI simulations. By H. Naoe et al. in the Journal of Climate.

An inter-comparison of multi-decadal observational and reanalysis data sets for global total ozone trends and variability analysis. By K. Bai et al. in the Journal of Geophysical Research: Atmospheres.

Radiative and climate effects of stratospheric sulfur geoengineering using seasonally varying injection areas. By A. Laakso et al. in Atmospheric Chemistry and Physics.

Dependence of model-simulated response to ozone depletion on stratospheric polar vortex climatology. By P. Lin et al. in Geophysical Research Letters.

Tropical circulation and precipitation response to ozone depletion and recovery. By S. Brönnimann et al. in Environmental Research Letters.

Mean age of stratospheric air derived from AirCore observations. By A. Engel et al. in Atmospheric Chemistry and Physics.

Technical note: Fu–Liou–Gu and Corti–Peter model performance evaluation for radiative retrievals from cirrus clouds. By S. Lolli et al. in Atmospheric Chemistry and Physics.

Quantifying pollution transport from the Asian monsoon anticyclone into the lower stratosphere. By F. Ploeger et al. in Atmospheric Chemistry and Physics.

Stratospheric Response to the 11-year Solar Cycle: Breaking Planetary Waves, Internal Reflection and Resonance. By H. Lu et al. in the Journal of Climate.

Untangling the annual cycle of the tropical tropopause layer with an idealized moist model. By M. Jucker and E.P. Gerber in the Journal of Climate.

Arctic stratosphere dynamical response to global warming. By A.Y. Karpechko and E. Manzini in the Journal of Climate.

Discussion papers – open for comment

Nadir ozone profile retrieval from SCIAMACHY and its application to the Antarctic ozone hole in the period 2003–2011. By S. Shah et al. in Atmospheric Measurement Techniques Discussions.

Temporal variability of tidal and gravity waves during a record long 10 day continuous lidar sounding. By K. Baumgartner et al. in Atmospheric Chemistry and Physics Discussions.